   [msg key]
   (secretbox-pfx msg (random-nonce!) key))
 
+(def ^:private synthetic-personal
+  (.getBytes "sodium autononce"))
+
 (defn ^:private synthetic-nonce
   "Creates a synthetic nonce from the given plaintext.
 

  no visible side effects: the same plaintext will always generate the
  same byte array. However, note that the returned nonce will be a
  mutable byte array."
  [plaintext])

(defn secretbox-det
  "secretbox, with deterministic nonce.

  resistance, use [[secretbox-rnd]]. The other functions are fairly
  limited use."
  (:require [caesium.crypto.secretbox :as s]
            [caesium.randombytes :as r]
            [caesium.crypto.generichash :as g])
  (:import [java.nio ByteBuffer]))

(defn secretbox-pfx
